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# Copyright (C) 1988, 1990, 1991, 1992, 1994, 1997 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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# Please email any bugs, comments, and/or additions to this file to:
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# bug-gdb@prep.ai.mit.edu
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# This file was written by Rob Savoye. (rob@cygnus.com)
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if $tracelevel then {
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strace $tracelevel
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}
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set prms_id 0
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set bug_id 0
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# are we on a target board
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if [is_remote target] {
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return
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}
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if [istarget "m68k*-*-hpux*"] then {
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# The top-level makefile passes CFLAGS= (no -g) for hp300. This probably
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# should be fixed (it is only needed for gcc bootstrapping, not gdb),
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# but until then.....
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setup_xfail "*-*-*"
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fail "cannot test self if compiled without debug info"
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return -1
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}
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# Not all of the lines of code near the start of main are executed for
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# every machine. Also, optimization may reorder some of the lines.
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# So all we do is try to step or next over everything until we get
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# to a line that we know is always executed.
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proc do_steps_and_nexts {} {
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global gdb_prompt
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global srcdir
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gdb_reinitialize_dir $srcdir/..
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for {set count 0} {$count < 22} {incr count} {
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send_gdb "list\n"
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gdb_expect {
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-re ".*context = data.*$gdb_prompt $" {
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set description "step over context initialization"
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set command "step"
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}
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-re ".*argc = context->argc.*$gdb_prompt $" {
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set description "step over argc initialization"
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set command "step"
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}
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-re ".*argv = context->argv.*$gdb_prompt $" {
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set description "step over argv initialization"
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set command "step"
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}
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-re ".*quiet = 0.*$gdb_prompt $" {
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set description "step over quiet initialization"
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set command "step"
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}
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-re ".*batch = 0.*$gdb_prompt $" {
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set description "step over batch initialization"
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set command "step"
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}
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-re ".*symarg = NULL.*$gdb_prompt $" {
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set description "step over symarg initialization"
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set command "step"
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}
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-re ".*execarg = NULL.*$gdb_prompt $" {
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set description "step over execarg initialization"
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set command "step"
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}
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-re ".*corearg = NULL.*$gdb_prompt $" {
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set description "step over corearg initialization"
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set command "step"
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}
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-re ".*cdarg = NULL.*$gdb_prompt $" {
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set description "step over cdarg initialization"
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set command "step"
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}
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-re ".*ttyarg = NULL.*$gdb_prompt $" {
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set description "step over ttyarg initialization"
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set command "step"
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}
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-re ".*time_at_startup = get_run_time.*$gdb_prompt $" {
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set description "next over get_run_time and everything it calls"
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set command "next"
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}
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-re ".*START_PROGRESS.*$gdb_prompt $" {
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set description "next over START_PROGRESS and everything it calls"
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set command "next"
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}
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-re ".*mac_init.*$gdb_prompt $" {
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set description "next over mac_init and everything it calls"
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set command "next"
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}
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-re ".*init_malloc.*$gdb_prompt $" {
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set description "next over init_malloc and everything it calls"
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set command "next"
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}
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-re ".*count . 0x3.*$gdb_prompt $" {
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set description "next over conditional stack alignment code 1"
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set command "next"
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}
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-re ".*if .i != 0.*$gdb_prompt $" {
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set description "next over conditional stack alignment code 2"
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set command "next"
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}
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-re ".*alloca .i - 4.*$gdb_prompt $" {
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set description "next over conditional stack alignment alloca"
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set command "next"
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}
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-re ".*cmdsize = 1.*$gdb_prompt $" {
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set description "step over cmdsize initialization"
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set command "next"
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}
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-re ".*cmdarg = .* xmalloc.*$gdb_prompt $" {
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set description "next over cmdarg initialization via xmalloc"
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set command "next"
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}
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-re ".*ncmd = 0.*$gdb_prompt $" {
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set description "next over ncmd initialization"
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set command "next"
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}
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-re ".*dirsize = 1.*$gdb_prompt $" {
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set description "next over dirsize initialization"
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set command "next"
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}
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-re ".*dirarg = .* xmalloc.*$gdb_prompt $" {
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return
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}
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-re "\[ \t\]+\{\r\n$gdb_prompt $" {
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setup_xfail "mips-*-irix5*"
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fail "$description ended up at odd location"
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}
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-re ".*main.c.*No such file or directory.*$gdb_prompt $" {
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setup_xfail "rs6000-*-aix3*"
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fail "must be able to list source lines"
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return
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}
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-re ".*$gdb_prompt $" {
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fail "unknown source line after $description"
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return
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}
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default {
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fail "unknown source line near main"
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return
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}
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}
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send_gdb "$command\n"
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gdb_expect {
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-re ".*No such file or directory.\r\n$gdb_prompt $" {
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fail "$description (no source available)"
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}
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-re ".*A file or directory .* does not exist..\r\n$gdb_prompt $" {
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fail "$description (no source available)"
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}
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-re ".*$gdb_prompt $" {
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pass "$description"
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}
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timeout {
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fail "$description (timeout)"
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}
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}
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}
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}
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proc test_with_self { executable } {
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global gdb_prompt
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global tool
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global det_file
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global decimal
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global timeout
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# load yourself into the debugger
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# This can take a relatively long time, particularly for testing where
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# the executable is being accessed over a network, or where gdb does not
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# support partial symbols for a particular target and has to load the
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# entire symbol table. Set the timeout to 10 minutes, which should be
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# adequate for most environments (it *has* timed out with 5 min on a
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# SPARCstation SLC under moderate load, so this isn't unreasonable).
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# After gdb is started, set the timeout to 30 seconds for the duration
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# of this test, and then back to the original value.
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set oldtimeout $timeout
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set timeout 600
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verbose "Timeout is now $timeout seconds" 2
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if {[gdb_load $executable] <0} then {
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set timeout $oldtimeout
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verbose "Timeout is now $timeout seconds" 2
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return -1
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}
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set timeout $oldtimeout
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verbose "Timeout is now $timeout seconds" 2
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# disassemble yourself
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gdb_test "x/10i main" \
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"x/10i.*main.*main.$decimal.*main.$decimal.*" \
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"Disassemble main"
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# Set a breakpoint at main
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gdb_test "break captured_main" \
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"Breakpoint.*at.* file.*, line.*" \
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"breakpoint in captured_main"
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# We'll need this when we send a ^C to GDB. Need to do it before we
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# run the program and gdb starts saving and restoring tty states.
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# On Ultrix, we don't need it and it is really slow (because shell_escape
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# doesn't use vfork).
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if ![istarget "*-*-ultrix*"] then {
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gdb_test "shell stty intr '^C'" "" \
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"set interrupt character in test_with_self"
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}
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# FIXME: If we put this after the run to main, the first list
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# command doesn't print the same line as the current line where
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# gdb is stopped.
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gdb_test "set listsize 1" "" "set listsize to 1"
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# run yourself
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# It may take a very long time for the inferior gdb to start (lynx),
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# so we bump it back up for the duration of this command.
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set timeout 600
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set description "run until breakpoint at captured_main"
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send_gdb "run -nw\n"
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gdb_expect {
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-re "Starting program.*Breakpoint \[0-9\]+,.*captured_main .data.* at .*main.c:.*$gdb_prompt $" {
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pass "$description"
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}
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-re "Starting program.*Breakpoint \[0-9\]+,.*captured_main .data.*$gdb_prompt $" {
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xfail "$description (line numbers scrambled?)"
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}
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-re "vfork: No more processes.*$gdb_prompt $" {
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fail "$description (out of virtual memory)"
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set timeout $oldtimeout
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verbose "Timeout is now $timeout seconds" 2
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return -1
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}
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-re ".*$gdb_prompt $" {
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fail "$description"
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set timeout $oldtimeout
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verbose "Timeout is now $timeout seconds" 2
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return -1
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}
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timeout {
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fail "$description (timeout)"
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}
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}
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set timeout $oldtimeout
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verbose "Timeout is now $timeout seconds" 2
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# do we have a version number ?
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send_gdb "print version\n"
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gdb_expect {
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-re ".\[0-9\]+ = .\[0-9.\]+.*$gdb_prompt $" {
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pass "printed version as string"
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}
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-re ".\[0-9\]+ = +0x.*\[0-9.\]+.*$gdb_prompt $" {
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273 |
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pass "printed version as pointer"
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}
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275 |
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-re ".\[0-9\]+ = +.+ +0x.*\[0-9.\]+.*$gdb_prompt $" {
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276 |
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pass "printed version with cast"
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277 |
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}
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278 |
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-re ".*$gdb_prompt $" { fail "printed version" }
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279 |
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timeout { fail "(timeout) printed version" }
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}
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281 |
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282 |
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do_steps_and_nexts
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284 |
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gdb_test "print \"foo\"" ".\[0-9\]+ = \"foo\"" "print a string"
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285 |
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286 |
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# do_steps_and_nexts left us ready to execute an xmalloc call,
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287 |
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# so give that a try.
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288 |
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# If we don't actually enter the xmalloc call when we give a
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289 |
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# step command that seems like a genuine bug. It seems to happen
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290 |
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# on most RISC processors.
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setup_xfail "alpha-*-*" "mips-*-*"
|
292 |
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set description "step into xmalloc call"
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293 |
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send_gdb "step\n"
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294 |
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gdb_expect {
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295 |
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-re "xmalloc.*size=.*at.*utils.c.*$gdb_prompt $" {
|
296 |
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pass "$description"
|
297 |
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}
|
298 |
|
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-re ".*No such file or directory.\r\n$gdb_prompt $" {
|
299 |
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pass "$description (no source available)"
|
300 |
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}
|
301 |
|
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-re "A file or directory .* does not exist..\r\n$gdb_prompt $" {
|
302 |
|
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pass "$description (no source available)"
|
303 |
|
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}
|
304 |
|
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-re ".*$gdb_prompt $" {
|
305 |
|
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fail "$description"
|
306 |
|
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}
|
307 |
|
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timeout {
|
308 |
|
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fail "$description (timeout)"
|
309 |
|
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}
|
310 |
|
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}
|
311 |
|
|
|
312 |
|
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# start the "xgdb" process
|
313 |
|
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send_gdb "continue\n"
|
314 |
|
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gdb_expect {
|
315 |
|
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-re "GNU gdb \[0-9\.\]*.*
|
316 |
|
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Copyright \[0-9\]* Free Software Foundation, Inc.*
|
317 |
|
|
GDB is free software, covered by the GNU General Public License, and you are.*
|
318 |
|
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welcome to change it and/or distribute copies of it under certain conditions.*
|
319 |
|
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Type \"show copying\" to see the conditions.*
|
320 |
|
|
There is absolutely no warranty for GDB. Type \"show warranty\" for details.*
|
321 |
|
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This GDB was configured as .*$gdb_prompt $"\
|
322 |
|
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{ pass "xgdb is at prompt" }
|
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|
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-re "GDB is free software and you are welcome to distribute copies of it.*
|
324 |
|
|
under certain conditions; type \"show copying\" to see the conditions..*
|
325 |
|
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There is absolutely no warranty for GDB; type \"show warranty\" for details..*
|
326 |
|
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GDB.*Copyright \[0-9\]+ Free Software Foundation, Inc..*$gdb_prompt $"\
|
327 |
|
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{ pass "xgdb is at prompt (obsolescent gdb)" }
|
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|
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-re ".*$gdb_prompt $" { fail "xgdb is at prompt" }
|
329 |
|
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timeout { fail "(timeout) xgdb is at prompt" }
|
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|
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}
|
331 |
|
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|
332 |
|
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# set xgdb prompt so we can tell which is which
|
333 |
|
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send_gdb "set prompt (xgdb) \n"
|
334 |
|
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gdb_expect {
|
335 |
|
|
-re "\[(\]xgdb\[)\].*\[(\]xgdb\[)\] $" { pass "Set xgdb prompt" }
|
336 |
|
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-re ".*$gdb_prompt $" { fail "Set xgdb prompt" }
|
337 |
|
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default { fail "(timeout) Set xgdb prompt" }
|
338 |
|
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}
|
339 |
|
|
|
340 |
|
|
# kill the xgdb process
|
341 |
|
|
set description "send ^C to child process"
|
342 |
|
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send_gdb "\003"
|
343 |
|
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gdb_expect {
|
344 |
|
|
-re "Program received signal SIGINT.*$gdb_prompt $" {
|
345 |
|
|
pass "$description"
|
346 |
|
|
}
|
347 |
|
|
-re ".*$gdb_prompt $" {
|
348 |
|
|
fail "$description"
|
349 |
|
|
}
|
350 |
|
|
timeout {
|
351 |
|
|
fail "$description (timeout)"
|
352 |
|
|
}
|
353 |
|
|
}
|
354 |
|
|
|
355 |
|
|
set description "send SIGINT signal to child process"
|
356 |
|
|
send_gdb "signal SIGINT\n"
|
357 |
|
|
gdb_expect {
|
358 |
|
|
-re "Continuing with signal SIGINT.*$gdb_prompt $" {
|
359 |
|
|
pass "$description"
|
360 |
|
|
}
|
361 |
|
|
-re ".*$gdb_prompt $" {
|
362 |
|
|
fail "$description"
|
363 |
|
|
}
|
364 |
|
|
timeout {
|
365 |
|
|
fail "$description (timeout)"
|
366 |
|
|
}
|
367 |
|
|
}
|
368 |
|
|
|
369 |
|
|
# get a stack trace
|
370 |
|
|
#
|
371 |
|
|
# This fails on some linux systems for unknown reasons. On the
|
372 |
|
|
# systems where it fails, sometimes it works fine when run manually.
|
373 |
|
|
# The testsuite failures may not be limited to just aout systems.
|
374 |
|
|
setup_xfail "i*86-pc-linuxaout-gnu" "hppa*-*-hpux*"
|
375 |
|
|
set description "backtrace through signal handler"
|
376 |
|
|
send_gdb "backtrace\n"
|
377 |
|
|
gdb_expect {
|
378 |
|
|
-re "#0.*read.*in main \\(.*\\) at .*main\\.c.*$gdb_prompt $" {
|
379 |
|
|
pass "$description"
|
380 |
|
|
}
|
381 |
|
|
-re ".*$gdb_prompt $" {
|
382 |
|
|
# On the alpha, we hit the infamous problem about gdb
|
383 |
|
|
# being unable to get the frame pointer (mentioned in
|
384 |
|
|
# gdb/README). As it is intermittent, there is no way to
|
385 |
|
|
# XFAIL it which will give us an XPASS if the problem goes
|
386 |
|
|
# away.
|
387 |
|
|
setup_xfail "alpha*-*-osf*"
|
388 |
|
|
fail "$description"
|
389 |
|
|
}
|
390 |
|
|
timeout {
|
391 |
|
|
fail "$description (timeout)"
|
392 |
|
|
}
|
393 |
|
|
}
|
394 |
|
|
|
395 |
|
|
|
396 |
|
|
# Set the timeout back to the value it had when we were called.
|
397 |
|
|
set timeout $oldtimeout
|
398 |
|
|
verbose "Timeout is now $timeout seconds" 2
|
399 |
|
|
|
400 |
|
|
# Restart gdb in case next test expects it to be started already.
|
401 |
|
|
return 0
|
402 |
|
|
}
|
403 |
|
|
|
404 |
|
|
# Find a pathname to a file that we would execute if the shell was asked
|
405 |
|
|
# to run $arg using the current PATH.
|
406 |
|
|
|
407 |
|
|
proc find_gdb { arg } {
|
408 |
|
|
|
409 |
|
|
# If the arg directly specifies an existing executable file, then
|
410 |
|
|
# simply use it.
|
411 |
|
|
|
412 |
|
|
if [file executable $arg] then {
|
413 |
|
|
return $arg
|
414 |
|
|
}
|
415 |
|
|
|
416 |
|
|
set result [which $arg]
|
417 |
|
|
if [string match "/" [ string range $result 0 0 ]] then {
|
418 |
|
|
return $result
|
419 |
|
|
}
|
420 |
|
|
|
421 |
|
|
# If everything fails, just return the unqualified pathname as default
|
422 |
|
|
# and hope for best.
|
423 |
|
|
|
424 |
|
|
return $arg
|
425 |
|
|
}
|
426 |
|
|
|
427 |
|
|
# Run the test with self.
|
428 |
|
|
# Copy the file executable file in case this OS doesn't like to edit its own
|
429 |
|
|
# text space.
|
430 |
|
|
|
431 |
|
|
set GDB_FULLPATH [find_gdb $GDB]
|
432 |
|
|
|
433 |
|
|
# Remove any old copy lying around.
|
434 |
|
|
remote_file host delete x$tool
|
435 |
|
|
|
436 |
|
|
gdb_start
|
437 |
|
|
set file [remote_download host $GDB_FULLPATH x$tool]
|
438 |
|
|
set result [test_with_self $file];
|
439 |
|
|
gdb_exit;
|
440 |
|
|
catch "remote_file host delete $file";
|
441 |
|
|
|
442 |
|
|
if {$result <0} then {
|
443 |
|
|
warning "Couldn't test self"
|
444 |
|
|
return -1
|
445 |
|
|
}
|